Query: Add bad path tests with invalid WP_Query parameters.

See #48556.


git-svn-id: https://develop.svn.wordpress.org/trunk@49900 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/query/invalidQueries.php

@@ -0,0 +1,147 @@
+<?php
+
+/**
+ * @group query
+ */
+class Tests_Query_InvalidQueries extends WP_UnitTestCase {
+
+	/**
+	 * Store last query generated by WP_Query.
+	 *
+	 * @var string
+	 */
+	public static $last_posts_request;
+
+	/**
+	 * Author for creating posts.
+	 *
+	 * @var int
+	 */
+	public static $author_id;
+
+	/**
+	 * Shared fixture page IDs.
+	 *
+	 * @var int[]
+	 */
+	public static $page_ids;
+
+	/**
+	 * Shared fixture post IDs.
+	 *
+	 * @var int[]
+	 */
+	public static $post_ids;
+
+	/**
+	 * Generate shared fixtures.
+	 *
+	 * @param WP_UnitTest_Factory $factory Test suite factory.
+	 */
+	public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+		self::$author_id = $factory->user->create();
+
+		foreach ( array( 'publish', 'private' ) as $status ) {
+			self::$page_ids[ $status ] = $factory->post->create(
+				array(
+					'post_type'   => 'page',
+					'post_status' => $status,
+					'post_author' => self::$author_id,
+				)
+			);
+
+			self::$post_ids[ $status ] = $factory->post->create(
+				array(
+					'post_status' => $status,
+					'post_author' => self::$author_id,
+				)
+			);
+		}
+	}
+
+	/**
+	 * Set up prior to each test.
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		// Clean up variable before each test.
+		self::$last_posts_request = '';
+		// Store last query for tests.
+		add_filter( 'posts_request', array( $this, '_set_last_posts_request' ) );
+	}
+
+	/**
+	 * Filter to store last SQL query generated by WP_Query.
+	 *
+	 * @param string $request Generated SQL query.
+	 * @return string Unmodified SQL query.
+	 */
+	public function _set_last_posts_request( $request ) {
+		self::$last_posts_request = $request;
+		return $request;
+	}
+
+	/**
+	 * Test WP Query with an invalid post type.
+	 *
+	 * @ticket 48556.
+	 */
+	public function test_unregistered_post_type_wp_query() {
+		global $wpdb;
+
+		$query = new WP_Query( array( 'post_type' => 'unregistered_cpt' ) );
+		$posts = $query->get_posts();
+
+		$this->assertContains( "{$wpdb->posts}.post_type = 'unregistered_cpt'", self::$last_posts_request );
+		$this->assertContains( "{$wpdb->posts}.post_status = 'publish'", self::$last_posts_request );
+		$this->assertCount( 0, $posts );
+	}
+
+	/**
+	 * Test WP Query with an invalid post type specified in the URL.
+	 *
+	 * @ticket 48556.
+	 */
+	public function test_unregistered_post_type_goto() {
+		global $wpdb, $wp_query;
+
+		$this->go_to( home_url( '?post_type=unregistered_cpt' ) );
+
+		$this->assertContains( "{$wpdb->posts}.post_type = 'unregistered_cpt'", self::$last_posts_request );
+		$this->assertContains( "{$wpdb->posts}.post_status = 'publish'", self::$last_posts_request );
+		// $wp_query recovers to the post type "post" and is expected to return one.
+		$this->assertCount( 1, $wp_query->get_posts() );
+	}
+
+	/**
+	 * Ensure deprecated static parameter has no effect on queries.
+	 */
+	public function test_deprecated_parameters_have_no_effect_on_page() {
+		$query = new WP_Query(
+			array(
+				'static'    => 'a',
+				'post_type' => 'page',
+			)
+		);
+		$posts = $query->get_posts();
+
+		// Only the published page should be returned.
+		$this->assertCount( 1, $posts );
+	}
+
+	/**
+	 * Ensure deprecated static parameter has no effect on queries.
+	 */
+	public function test_deprecated_parameters_have_no_effect_on_post() {
+		$query = new WP_Query(
+			array(
+				'static' => 'a',
+			)
+		);
+		$posts = $query->get_posts();
+
+		// Only the published post should be returned.
+		$this->assertCount( 1, $posts );
+	}
+}